Home / 8,258.14-12,389.73-2,635.66

Finding the Fourth Proportional to 8,258.14, 12,389.73 and 2,635.66

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Solution

The fourth proportional to 8,258.14, 12,389.73 and 2,635.66 is: 3,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.14 : 12,389.73 = 2,635.66 : x
  2. Step 2: Convert to fraction form
    8,258.14/12,389.73 = 2,635.66/x
  3. Step 3: Cross multiply
    8,258.14x = 12,389.73 × 2,635.66
  4. Step 4: Simplify right side
    8,258.14x = 32,655,115.77
  5. Step 5: Solve for x
    x = 32,655,115.77/8,258.14
  6. Step 6: Final answer
    x = 3,954.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.